Retrospective evaluation of factors affecting successful fit testing of respiratory protective equipment during the early phase of COVID-19.
Retrospective evaluation of factors affecting successful fit testing of respiratory protective equipment during the early phase of COVID-19.
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DOI:
10.1136/bmjopen-2022-065068
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发表时间:
2023-05-25
期刊:
影响因子:
2.9
通讯作者:
中科院分区:
文献类型:
--
作者:
Respiratory protective equipment is critical to protect healthcare workers from COVID-19 infection, which includes filtering facepiece respirators (FFP3). There are reports of fitting issues within healthcare workers, although the factors affecting fitting outcomes are largely unknown. This study aimed to evaluate factors affecting respirator fitting outcomes. This is a retrospective evaluation study. We conducted a secondary analysis of a national database of fit testing outcomes in England between July and August 2020. The study involves National Health Service (NHS) hospitals in England. A total of 9592 observations regarding fit test outcomes from 5604 healthcare workers were included in the analysis. Fit testing of FFP3 on a cohort of healthcare workers in England, working in the NHS. Primary outcome measure was the fit testing result, that is, pass or fail with a specific respirator. Key demographics, including age, gender, ethnicity and face measurements of 5604 healthcare workers, were used to compare fitting outcomes. A total of 9592 observations from 5604 healthcare workers were included in the analysis. A mixed-effects logistic regression model was used to determine the factors which affected fit testing outcome. Results showed that males experienced a significantly (p<0.05) higher fit test success than females (OR 1.51; 95% CI 1.27 to 1.81). Those with non-white ethnicities demonstrated significantly lower odds of successful respirator fitting; black (OR 0.65; 95% CI 0.51 to 0.83), Asian (OR 0.62; 95% CI 0.52 to 0.74) and mixed (OR 0.60; 95% CI 0.45 to 0.79. During the early phase of COVID-19, females and non-white ethnicities were less likely to have a successful respirator fitting. Further research is needed to design new respirators which provide equal opportunity for comfortable, effective fitting of these devices.
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